The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 1990
Filed:
Jul. 31, 1990
Applicant:
Inventor:
David L Fair, Rockford, IL (US);
Assignee:
Olin Corporation, Cheshire, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
141083 ; 141 94 ; 141198 ; 222 64 ; 261D / ; 137386 ;
Abstract
An automatic refill system for a liquid chemical temperature controller is provided wherein replenishing liquid chemical is automatically supplied from a chemical bulk supply to a bubbler ampule in the liquid chemical temperature controller based on sensed level depths in a manner that avoids contamination of the replenishing chemical.